Home / 106,243,939.20-159,365,908.80-97,174,012.80

Finding the Fourth Proportional to 106,243,939.20, 159,365,908.80 and 97,174,012.80

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Solution

The fourth proportional to 106,243,939.20, 159,365,908.80 and 97,174,012.80 is: 145,761,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,243,939.20 : 159,365,908.80 = 97,174,012.80 : x
  2. Step 2: Convert to fraction form
    106,243,939.20/159,365,908.80 = 97,174,012.80/x
  3. Step 3: Cross multiply
    106,243,939.20x = 159,365,908.80 × 97,174,012.80
  4. Step 4: Simplify right side
    106,243,939.20x = 15,486,224,861,614,834
  5. Step 5: Solve for x
    x = 15,486,224,861,614,834/106,243,939.20
  6. Step 6: Final answer
    x = 145,761,019.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.